At the age of 24, brilliant physicist Chester Runk developed a matter-transmitting machine that imploded during its first test, lodging itself in his body and making him a “human black hole,” capable of absorbing matter and sending it... somewhere. He found that he had to consume vast amounts of super-dense materials to avoid becoming trapped in an alternate, barren dimension. Over several years, he brought dozens of bystanders there and left them stranded. He came into contact with the third Flash while absorbing gems in the New York area. He brought Wally to the alternate dimension, where he convinced Chunk that he would be hailed for his scientific discovery if he would just return all his victims. He agreed to do so, and further investigation declared him free.

Chunk now works as a Removal Specialist. “Everyone has something they’d like to disappear.” He is friends with Wally, and for a while employed Wally’s mother as his secretary.
He lives in Wally’s former mansion (with a zillion “relatives” who appeared out of nowhere and invited themselves in), and is engaged to Wally’s ex-girlfriend Connie Noleski.

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